import { default as React, ReactElement } from 'react';
import { OptionProps } from './option';
import { MenuItemInternalProps } from '../menuItem/menuItem';
export declare const IS_OPTION: unique symbol;
/**
 * Type guard that checks whether a React node is an Option component.
 *
 * Identifies Option elements by the internal {@link IS_OPTION} symbol
 * attached to the component type.
 *
 * @param el - React node to test.
 * @returns `true` if the node is an Option element.
 *
 * @internal
 */
export declare function isOption(el: React.ReactNode): el is ReactElement<OptionProps & MenuItemInternalProps>;